Magnetic activity on two contact binaries: VW Boo and V1128 Tau from TESS data

doi:10.1016/j.newast.2023.102136

YNAO OpenIR > 大样本恒星演化研究组

	Magnetic activity on two contact binaries: VW Boo and V1128 Tau from TESS data
	Han, Quan-Wang 1; Jiang DK(姜登凯)2,3,4
发表期刊	NEW ASTRONOMY
	2024-02
卷号	106
DOI	10.1016/j.newast.2023.102136
产权排序	第2完成单位
收录类别	SCI
关键词	Stars: binaries: eclipsing Stars: activity Stars: star spots Stars: individuals (VW Boo, V1128 Tau)
摘要	Using the continuous TESS data, we found small intrinsic variations in the light curves of VW Boo and V1128 Tau. We selected five sets of light curves and derived the photometric solutions by using the Wilson-Devinney code. The results indicate that the intrinsic light curve variations in VW Boo are attributed to the evolution of a cool spot. In the case of V1128 Tau, the disappearance or reappearance of a cool spot might account for the variation in three sets of light curves. The obtained solutions also reveal that these two systems are W-type shallow-contact binaries (f <= 15%). Period analyses for these two systems were carried out based on all available times of minimum. The period analysis of VW Boo shows that its period is decreasing at a rate of dP/dt = -1.52x10(-7) d yr(-1), together with a cyclic oscillation with a period of 27.17 yr and a semi-amplitude of 0.0063 d. Similarly, the orbital period of V1128 Tau also shows a secular decrease (dP/dt = -1.40x10(-7) d yr(-1)), accompanied by a cyclic oscillation (P-3= 16.11 yr and K-3 = 0.0011 d). The secular decrease might be caused by mass transfer, while the cyclic oscillation might result from the presence of a third body or magnetic activity.
资助项目	National Key R&D Program of China[2021YFA1600403]; National Natural Science Foundation of China[12073070]; National Natural Science Foundation of China[11733008]; National Natural Science Foundation of China[12333008]; National Natural Science Foundation of China[12288102]; Western Light Project of CAS[XBZG-ZDSYS-202117]; International Centre of Supernovae, Yun-nan Key Laboratory[202302AN360001]; Yunnan Revitalization Talent Support Program - Science & Technology Champion Project[202305AB350003]; Yunnan Ten Thousand Talents Plan Young & Elite Talents Project; China Manned Space Project[CMS-CSST-2021-A08]
项目资助者	National Key R&D Program of China[2021YFA1600403] ; National Natural Science Foundation of China[12073070, 11733008, 12333008, 12288102] ; Western Light Project of CAS[XBZG-ZDSYS-202117] ; International Centre of Supernovae, Yun-nan Key Laboratory[202302AN360001] ; Yunnan Revitalization Talent Support Program - Science & Technology Champion Project[202305AB350003] ; Yunnan Ten Thousand Talents Plan Young & Elite Talents Project ; China Manned Space Project[CMS-CSST-2021-A08]
语种	英语
学科领域	天文学
文章类型	Article
出版者	ELSEVIER
出版地	RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
ISSN	1384-1076
URL	查看原文
WOS记录号	WOS:001106787400001
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	RADIAL-VELOCITY ; STAR LIGHT ; SYSTEM
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
版本	出版稿
条目标识符	http://ir.ynao.ac.cn/handle/114a53/26426
专题	大样本恒星演化研究组中国科学院天体结构与演化重点实验室
作者单位	1.School of Physics and Electronics, Qiannan Normal University for Nationalities, Duyun 558000, People’s Republic of China; 2.Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming 650216, People’s Republic of China; 3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, People’s Republic of China; 4.International Centre of Supernovae, Yunnan Key Laboratory, Kunming 650216, People’s Republic of China
推荐引用方式 GB/T 7714	Han, Quan-Wang,Jiang DK. Magnetic activity on two contact binaries: VW Boo and V1128 Tau from TESS data[J]. NEW ASTRONOMY,2024,106.
APA	Han, Quan-Wang,&姜登凯.(2024).Magnetic activity on two contact binaries: VW Boo and V1128 Tau from TESS data.NEW ASTRONOMY,106.
MLA	Han, Quan-Wang,et al."Magnetic activity on two contact binaries: VW Boo and V1128 Tau from TESS data".NEW ASTRONOMY 106(2024).

条目包含的文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
Magnetic activity on（1144KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览请求全文